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We present a fine-grained NER annotations scheme with 30 labels and apply it to German data. Building on the OntoNotes 5.0 NER inventory, our scheme is adapted for a corpus of transcripts of biographic interviews by adding categories for AGE and LAN(guage) and also adding label classes for various numeric and temporal expressions. Applying the scheme to the spoken data as well as a collection of teaser tweets from newspaper sites, we can confirm its generality for both domains, also achieving good inter-annotator agreement. We also show empirically how our inventory relates to the well-established 4-category NER inventory by re-annotating a subset of the GermEval 2014 NER coarse-grained dataset with our fine label inventory. Finally, we use a BERT-based system to establish some baselines for NER tagging on our two new datasets. Global results in in-domain testing are quite high on the two datasets, near what was achieved for the coarse inventory on the CoNLLL2003 data. Cross-domain testing produces much lower results due to the severe domain differences.
The planning of a dictionary should consider both theoretical and empiric aspects, either for its macro- and microstructure: this is true also for Online Specialized Dictionaries of Linguistics. In particular the microstructure should be standardized and structured so as to fit with the primary and secondary functions of a dictionary. Unfortunately, empirical studies that investigate Online Specialized Dictionaries of Linguistics are rare, making it unclear which microstructural elements are obligatory and which are facultative. This article will present and comment upon the results of an investigation into a corpus of Online Specialized Dictionaries of Linguistics, focusing attention on these aspects and also the most important theoretical issues. An example taken from DIL, a German-Italian Online Dictionary of Linguistics, will end the article.
DIL is a bilingual (German-Italian) online dictionary of linguistics. It is still under construction and contains 240 lemmas belonging to the subfield of “German as a Foreign Language”, but other subfields are in preparation. DIL is an open dictionary; participation of experts from various subfields is welcome. The dictionary is intended for a user group with different levels of knowledge, therefore it is a multifunctional dictionary. An analysis of existing dictionaries, either in their online or written form, was essential in order to make important decisions for the macro- or microstructure of DIL; the results are discussed. Criteria for the selection of entries and an example of an entry conclude the article.